Service analysis

Service costs

Service costs by month

Service costs by year

Service costs by producer

Service cost is the highest for 2022 (545467.5 PLN). Moreover, month by month comparison for each year clearly shows that irrespective of year service costs obtain the highest value in march.
Boxplot indicates that median of service costs is the highest for Mercedes(210 PLN) and Nissan (202.5 PLN).

Number of services

Services by date

Services by date for each producer

Services for each producer

Toyota has the largest number of services. Approximately 50% of services is related to tire change and the second 50% to oil service (tire change : oil service = 1 : 1).
Number of services by date depicts similar pattern for all producers - high number of services in march, low number of services in other months.